Membangun aplikasi web di era modern memerlukan pondasi yang kokoh. Framework modern memberikan fleksibilitas luar biasa bagi developer untuk menghadirkan fitur kompleks secara cepat tanpa mengabaikan aspek keamanan dan keandalan sistem.
Tahapan Implementasi & Walkthrough Kode
Berikut adalah langkah demi langkah teknis yang dapat Anda ikuti langsung pada codebase Anda:
Tahap 1: Penulisan Kode & Konfigurasi
//import createSignal
import { createSignal, createEffect } from "solid-js";
//import from @solidjs/router
import { useNavigate, useParams } from "@solidjs/router";
//import API
import api from "../../services/api";
export default function PostEdit() {
//init navigate
const navigate = useNavigate();
//destruct id from params
const { id } = useParams();
//define state
const [image, setImage] = createSignal("");
const [title, setTitle] = createSignal("");
const [content, setContent] = createSignal("");
//state validation
const [errors, setErrors] = createSignal([]);
//method fetchDetailPost
const fetchDetailPost = async () => {
//fetch data
await api.get(`/api/posts/${id}`).then((response) => {
//assign to state
setTitle(response.data.data.title);
setContent(response.data.data.content);
});
};
//hook createEffect
createEffect(() => {
//call method "fetchDetailPost"
fetchDetailPost();
}, []);
//method handle file change
const handleFileChange = (e) => {
setImage(e.currentTarget.files[0]);
};
//method update post
const updatePost = async (e) => {
e.preventDefault();
//init FormData
const formData = new FormData();
//append data
formData.append("image", image());
formData.append("title", title());
formData.append("content", content());
formData.append("_method", "PUT");
//send data with API
await api
.post(`/api/posts/${id}`, formData)
.then(() => {
//redirect to posts index
return navigate("/posts", { replace: true });
})
.catch((error) => {
//set errors response to state "errors"
setErrors(error.response.data);
});
};
return (
<div className="row mt-5">
<div className="col-md-12">
<div className="card border-0 rounded shadow">
<div className="card-body">
<form onSubmit={updatePost}>
<div className="mb-3">
<label className="form-label fw-bold">Image</label>
<input
type="file"
onChange={handleFileChange}
className="form-control"
/>
{errors().image && (
<div className="alert alert-danger mt-2">
{errors().image[0]}
</div>
)}
</div>
<div className="mb-3">
<label className="form-label fw-bold">Title</label>
<input
type="text"
className="form-control"
value={title()}
onChange={(e) => setTitle(e.currentTarget.value)}
placeholder="Title Post"
/>
{errors().title && (
<div className="alert alert-danger mt-2">
{errors().title[0]}
</div>
)}
</div>
<div className="mb-3">
<label className="form-label fw-bold">Content</label>
<textarea
className="form-control"
value={content()}
onChange={(e) => setContent(e.currentTarget.value)}
rows="5"
placeholder="Content Post"
></textarea>
{errors().content && (
<div className="alert alert-danger mt-2">
{errors().content[0]}
</div>
)}
</div>
<button
type="submit"
className="btn btn-md btn-primary rounded-sm shadow border-0"
>
Update
</button>
</form>
</div>
</div>
</div>
</div>
);
}
Tahap 2: Penulisan Kode & Konfigurasi
//import createSignal
import { createSignal, createEffect } from "solid-js";
Tahap 3: Penulisan Kode & Konfigurasi
//import from @solidjs/router
import { useNavigate, useParams } from "@solidjs/router";
Tahap 4: Penulisan Kode & Konfigurasi
//import API
import api from "../../services/api";
Tahap 5: Penulisan Kode & Konfigurasi
//init navigate
const navigate = useNavigate();
//destruct id from params
const { id } = useParams();
Tahap 6: Penulisan Kode & Konfigurasi
//define state
const [image, setImage] = createSignal("");
const [title, setTitle] = createSignal("");
const [content, setContent] = createSignal("");
//state validation
const [errors, setErrors] = createSignal([]);
Tahap 7: Penulisan Kode & Konfigurasi
//method fetchDetailPost
const fetchDetailPost = async () => {
//...
}
Tahap 8: Penulisan Kode & Konfigurasi
//fetch data
await api.get(`/api/posts/${id}`).then((response) => {
//...
}
Tahap 9: Penulisan Kode & Konfigurasi
//assign to state
setTitle(response.data.data.title);
setContent(response.data.data.content);
Tahap 10: Penulisan Kode & Konfigurasi
//hook createEffect
createEffect(() => {
//call method "fetchDetailPost"
fetchDetailPost();
}, []);
Tahap 11: Penulisan Kode & Konfigurasi
//method handle file change
const handleFileChange = (e) => {
setImage(e.currentTarget.files[0]);
};
Tahap 12: Penulisan Kode & Konfigurasi
<form onSubmit={updatePost}>
//...
</form>
Tahap 13: Penulisan Kode & Konfigurasi
//method update post
const updatePost = async (e) => {
//...
}
Tahap 14: Penulisan Kode & Konfigurasi
//init FormData
const formData = new FormData();
Tahap 15: Penulisan Kode & Konfigurasi
//append data
formData.append("image", image());
formData.append("title", title());
formData.append("content", content());
formData.append("_method", "PUT");
Tahap 16: Penulisan Kode & Konfigurasi
//send data with API
await api.post(`/api/posts/${id}`, formData)
Tahap 17: Penulisan Kode & Konfigurasi
//redirect to posts index
return navigate("/posts", { replace: true });
Tahap 18: Penulisan Kode & Konfigurasi
//set errors response to state "errors"
setErrors(error.response.data);
Selalu gunakan pendekatan deklaratif, validasi input seawal mungkin di boundary layer, dan lakukan logging terstruktur untuk memudahkan observability ketika sistem dijalankan di lingkungan cloud produksi.
Kesimpulan
Dengan mengikuti langkah-langkah terstruktur di atas, implementasi modul Anda akan jauh lebih rapi, aman dari bug umum, serta siap diskalakan ke lingkungan produksi.
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